7148871951 has 16 divisors (see below), whose sum is σ = 10275672960. Its totient is φ = 4394751840.

The previous prime is 7148871949. The next prime is 7148872013. The reversal of 7148871951 is 1591788417.

It is not a de Polignac number, because 7148871951 - 2¹ = 7148871949 is a prime.

It is a super-2 number, since 2×7148871951² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7148871894 and 7148871903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148871931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56521 + ... + 132258.

It is an arithmetic number, because the mean of its divisors is an integer number (642229560).

Almost surely, 2^7148871951 is an apocalyptic number.

7148871951 is a deficient number, since it is larger than the sum of its proper divisors (3126801009).

7148871951 is a wasteful number, since it uses less digits than its factorization.

7148871951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189766.

The product of its digits is 564480, while the sum is 51.

The square root of 7148871951 is about 84551.0020697567. The cubic root of 7148871951 is about 1926.3972046486.

The spelling of 7148871951 in words is "seven billion, one hundred forty-eight million, eight hundred seventy-one thousand, nine hundred fifty-one".